EP3576199A4 - Stainless steel for fuel cell separator and method for producing same - Google Patents
Stainless steel for fuel cell separator and method for producing same Download PDFInfo
- Publication number
- EP3576199A4 EP3576199A4 EP18790590.6A EP18790590A EP3576199A4 EP 3576199 A4 EP3576199 A4 EP 3576199A4 EP 18790590 A EP18790590 A EP 18790590A EP 3576199 A4 EP3576199 A4 EP 3576199A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel cell
- stainless steel
- cell separator
- producing same
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/28—Acidic compositions for etching iron group metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/50—Treatment of iron or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/62—Treatment of iron or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
- H01M8/0208—Alloys
- H01M8/021—Alloys based on iron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12472—Microscopic interfacial wave or roughness
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017086366 | 2017-04-25 | ||
PCT/JP2018/014154 WO2018198685A1 (en) | 2017-04-25 | 2018-04-02 | Stainless steel for fuel cell separator and method for producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3576199A1 EP3576199A1 (en) | 2019-12-04 |
EP3576199A4 true EP3576199A4 (en) | 2020-04-08 |
Family
ID=63918300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18790590.6A Pending EP3576199A4 (en) | 2017-04-25 | 2018-04-02 | Stainless steel for fuel cell separator and method for producing same |
Country Status (8)
Country | Link |
---|---|
US (1) | US11085120B2 (en) |
EP (1) | EP3576199A4 (en) |
JP (1) | JP6418364B1 (en) |
KR (2) | KR102404291B1 (en) |
CN (1) | CN110521042B (en) |
CA (1) | CA3055070A1 (en) |
MX (1) | MX2019012830A (en) |
WO (1) | WO2018198685A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3703165A4 (en) * | 2017-10-25 | 2020-11-18 | JFE Steel Corporation | Method for producing stainless steel plate for fuel cell separator |
EP3813169A4 (en) * | 2018-06-20 | 2021-06-30 | Posco | Method for manufacturing stainless steel for polymer fuel cell separator having excellent contact resistance |
CN113348273A (en) * | 2019-01-21 | 2021-09-03 | 杰富意钢铁株式会社 | Austenitic stainless steel plate for separator of fuel cell and method for producing same |
JP7057766B2 (en) * | 2019-07-09 | 2022-04-20 | Jfeスチール株式会社 | Ferritic stainless steel sheets for current collectors of sulfide-based solid-state batteries and their manufacturing methods |
KR102102608B1 (en) * | 2019-12-20 | 2020-04-22 | 현대비앤지스틸 주식회사 | Method of manufacturing stainless steel for proton exchange membrane fuel cell separator |
CN115135807B (en) * | 2020-03-12 | 2023-09-19 | 日铁不锈钢株式会社 | Ferritic stainless steel and method for producing same |
KR102326257B1 (en) * | 2021-05-31 | 2021-11-16 | 주식회사 포스코 | Steel plate with excellent hydrophilicty and conductivity |
KR102326258B1 (en) * | 2021-05-31 | 2021-11-16 | 주식회사 포스코 | Steel plate with excellent hydrophilicty and conductivity |
KR20230016362A (en) * | 2021-07-26 | 2023-02-02 | 주식회사 포스코 | Stainless steel having excellent contact resistance for pemfc separator and method of manufacturing the same |
KR20230093983A (en) * | 2021-12-20 | 2023-06-27 | 주식회사 포스코 | Stainless steel for fuel cell seperator and munufacturing method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008091225A (en) * | 2006-10-03 | 2008-04-17 | Nisshin Steel Co Ltd | Separator for solid polymer fuel cell and its manufacturing method |
WO2016105070A1 (en) * | 2014-12-26 | 2016-06-30 | 주식회사 포스코 | Stainless steel for polymer fuel cell separator plate and method for preparing same |
EP3470539A1 (en) * | 2016-06-10 | 2019-04-17 | JFE Steel Corporation | Stainless steel sheet for fuel cell separators, and production method therefor |
EP3470540A1 (en) * | 2016-06-10 | 2019-04-17 | JFE Steel Corporation | Stainless steel sheet for fuel cell separators, and production method therefor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218612B1 (en) | 1970-01-16 | 1977-05-23 | ||
JP3460346B2 (en) | 1994-12-26 | 2003-10-27 | 富士電機株式会社 | Solid polymer electrolyte fuel cell |
JP5109234B2 (en) * | 2004-03-18 | 2012-12-26 | Jfeスチール株式会社 | METAL MATERIAL FOR SOLID POLYMER TYPE FUEL CELL SEPARATOR, FUEL CELL SEPARATOR USING THE SAME, FUEL CELL, AND METHOD FOR ADJUSTING SURFACE Roughness of METAL MATERIAL FOR SOLID POLYMER TYPE FUEL CELL SEPARATOR |
KR100851687B1 (en) | 2004-03-18 | 2008-08-11 | 제이에프이 스틸 가부시키가이샤 | Metallic Material For Conductive Member, Separator For Fuel Cell Using The Same, And Fuel Cell Using The Separator |
WO2006137584A1 (en) * | 2005-06-22 | 2006-12-28 | Nippon Steel Corporation | Separator for solid polymer electrolyte fuel cell of stainless steel, titanium or titanium alloy, process for producing the same, and method for evaluating warping and twisting of separator |
JP5768641B2 (en) | 2010-10-08 | 2015-08-26 | Jfeスチール株式会社 | Ferritic stainless steel having excellent corrosion resistance and electrical conductivity, method for producing the same, polymer electrolyte fuel cell separator, and polymer electrolyte fuel cell |
JP6144006B2 (en) | 2011-01-17 | 2017-06-07 | Jfeスチール株式会社 | Method for producing stainless steel for fuel cell separator, stainless steel for fuel cell separator, fuel cell separator, and fuel cell |
KR101873176B1 (en) | 2011-01-17 | 2018-06-29 | 제이에프이 스틸 가부시키가이샤 | Method for producing stainless steel for fuel cell separators, stainless steel for fuel cell separators, fuel cell separator, and fuel cell |
JP5218612B2 (en) | 2011-07-29 | 2013-06-26 | Jfeスチール株式会社 | Stainless steel for fuel cell separator |
JP5454744B2 (en) | 2011-11-30 | 2014-03-26 | Jfeスチール株式会社 | Stainless steel for fuel cell separator |
-
2018
- 2018-04-02 US US16/489,881 patent/US11085120B2/en active Active
- 2018-04-02 KR KR1020217025229A patent/KR102404291B1/en active IP Right Grant
- 2018-04-02 CA CA3055070A patent/CA3055070A1/en not_active Abandoned
- 2018-04-02 JP JP2018537549A patent/JP6418364B1/en active Active
- 2018-04-02 WO PCT/JP2018/014154 patent/WO2018198685A1/en unknown
- 2018-04-02 MX MX2019012830A patent/MX2019012830A/en unknown
- 2018-04-02 KR KR1020197032210A patent/KR102315735B1/en active IP Right Grant
- 2018-04-02 CN CN201880024210.0A patent/CN110521042B/en active Active
- 2018-04-02 EP EP18790590.6A patent/EP3576199A4/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008091225A (en) * | 2006-10-03 | 2008-04-17 | Nisshin Steel Co Ltd | Separator for solid polymer fuel cell and its manufacturing method |
WO2016105070A1 (en) * | 2014-12-26 | 2016-06-30 | 주식회사 포스코 | Stainless steel for polymer fuel cell separator plate and method for preparing same |
EP3470539A1 (en) * | 2016-06-10 | 2019-04-17 | JFE Steel Corporation | Stainless steel sheet for fuel cell separators, and production method therefor |
EP3470540A1 (en) * | 2016-06-10 | 2019-04-17 | JFE Steel Corporation | Stainless steel sheet for fuel cell separators, and production method therefor |
Non-Patent Citations (1)
Title |
---|
See also references of WO2018198685A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN110521042B (en) | 2022-07-29 |
KR102404291B1 (en) | 2022-05-31 |
CA3055070A1 (en) | 2018-11-01 |
MX2019012830A (en) | 2019-11-28 |
KR102315735B1 (en) | 2021-10-21 |
EP3576199A1 (en) | 2019-12-04 |
KR20210100762A (en) | 2021-08-17 |
WO2018198685A1 (en) | 2018-11-01 |
JP6418364B1 (en) | 2018-11-07 |
US11085120B2 (en) | 2021-08-10 |
US20200340126A1 (en) | 2020-10-29 |
JPWO2018198685A1 (en) | 2019-06-27 |
KR20190127968A (en) | 2019-11-13 |
CN110521042A (en) | 2019-11-29 |
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